European review for medical and pharmacological sciences
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Cigarette smoking is an important risk factor for many diseases. This study aimed to evaluate whether cigarette smoking is associated with changes in the thiol/disulfide homeostasis (TDH), a novel biomarker of systemic oxidative stress. ⋯ To our knowledge, this investigation is the first in the literature that investigated TDH in cigarette smokers. Our results show that cigarette smoking may lead to oxidative stress and TDH shifts through disulfide side compared to the healthy group. Further studies with larger sample size are needed to confirm our results for showing the changes in TDH to contribute to the clinical practice.